{"width":"100%","description":"Ruby\u3078\u306e\u79fb\u884c\u3092\u63d0\u6848\u3057\u307e\u3059\u3002\u3063\u3066\u306e\u306f\u672c\u6c17\u3068\u3057\u3066\uff08\u7b11\uff09Proxy\u30af\u30e9\u30b9\u306a\u3093\u3066\u5351\u602f\u306a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3082\u4f5c\u308c\u308b\u304f\u3089\u3044\u3060\u304b\u3089\u3001null\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u6271\u3046\u306e\u3082\u305d\u3093\u306a\u306b\u96e3\u3057\u304f\u306a\u3044\u306f\u305a\u306a\u3093\u3067\u3059\u3088\u306d\uff08\u53c2\u8003\uff09\u3002 null\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u3064\u3044\u3066\u300cnull\u306f\u5168\u3066\u306e\u30af\u30e9\u30b9\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u306f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u300d\u3063\u3066\u306e\u3092\u58c1\u3068\u898b\u308b\u4eba\u3082\u591a\u3044\u3051\u3069\u3001\u305d\u308c\u306f\u30b3\u30fc\u30c9\u4e0a\u306e\u9759\u7684\u30c1\u30a7\u30c3\u30af\u306e\u305f\u3081\u3060\u3051\u3067\u3042\u3063\u3066\u3001\u8a00\u8a9e\u4ed5\u69d8\u4e0a\u3082\u554f\u984c\u306a\u3044\u3093\u3058\u3083\u306a\u3044\u304b\u306a\u30fc\u3068\u306f\u601d\u3044\u307e\u3059\u3088\u3002\u3042\u30fc\u3001\u8ab0\u304c\u306c\u308b\u307d\u6295\u3052\u308b\u304b\u3001\u306c\u308b\u307d\u3067\u7206\u5f3e\u30b3\u30f3\u30c8\u3057\u3066\u308b\u3060\u3051\u3060\u304b\u3089\u3001\u3069\u3046\u305bnull\u306a\u3089\u6975\u529b\u65e9\u3044\u6642\u70b9\u3067\u306c\u308b\u307d\u3063\u305f\u65b9\u304c\u3044\u3044\u3068\u601d\u3046\u3057\u3001s.isEmpty()\u3067\u66f8\u304d\u3083\u3044\u3044\u3093\u3058\u3083\u306a\u3044\u304b\u3063\u3066\u6c17\u3082\u3059\u308b\u306a\u3041\u3002\u6761\u2026","type":"rich","author_name":"katzchang","author_url":"https://blog.hatena.ne.jp/katzchang/","provider_url":"https://hatena.blog","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkatzchang.hatenadiary.org%2Fentry%2F20081205%2Fp2\" title=\"&quot;&quot;.equals\u306e\u8a71 - @katzchang.contexts\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://katzchang.hatenadiary.org/","url":"https://katzchang.hatenadiary.org/entry/20081205/p2","version":"1.0","blog_title":"@katzchang.contexts","image_url":null,"categories":["java"],"published":"2008-12-05 00:00:00","provider_name":"Hatena Blog","title":"\"\".equals\u306e\u8a71"}